1046261340 has 192 divisors, whose sum is σ = 3353011200. Its totient is φ = 270736128.

The previous prime is 1046261339. The next prime is 1046261351. The reversal of 1046261340 is 431626401.

1046261340 is a `hidden beast` number, since 1 + 0 + 4 + 6 + 2 + 613 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3978049 + ... + 3978311.

It is an arithmetic number, because the mean of its divisors is an integer number (17463600).

Almost surely, 2^1046261340 is an apocalyptic number.

1046261340 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 1046261340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1676505600).

1046261340 is an abundant number, since it is smaller than the sum of its proper divisors (2306749860).

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

1046261340 is a wasteful number, since it uses less digits than its factorization.

1046261340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1046261340 is about 32345.9632720993. The cubic root of 1046261340 is about 1015.1885855677.

Adding to 1046261340 its reverse (431626401), we get a palindrome (1477887741).

The spelling of 1046261340 in words is "one billion, forty-six million, two hundred sixty-one thousand, three hundred forty".