1056236340 has 96 divisors (see below), whose sum is σ = 3073158144. Its totient is φ = 270766080.

The previous prime is 1056236329. The next prime is 1056236351. The reversal of 1056236340 is 436326501.

It is an interprime number because it is at equal distance from previous prime (1056236329) and next prime (1056236351).

It is a super-2 number, since 2×1056236340² = 2231270411873191200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1056236298 and 1056236307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290212 + ... + 293828.

It is an arithmetic number, because the mean of its divisors is an integer number (32012064).

Almost surely, 2^1056236340 is an apocalyptic number.

1056236340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1056236340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1536579072).

1056236340 is an abundant number, since it is smaller than the sum of its proper divisors (2016921804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1056236340 is a wasteful number, since it uses less digits than its factorization.

1056236340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3817 (or 3815 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1056236340 is about 32499.7898454744. The cubic root of 1056236340 is about 1018.4046378986.

The spelling of 1056236340 in words is "one billion, fifty-six million, two hundred thirty-six thousand, three hundred forty".