1046156540 has 96 divisors (see below), whose sum is σ = 2732958144. Its totient is φ = 330485760.

The previous prime is 1046156521. The next prime is 1046156563. The reversal of 1046156540 is 456516401.

It is a junction number, because it is equal to n+sod(n) for n = 1046156497 and 1046156506.

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, 37862 + ... + 59378.

It is an arithmetic number, because the mean of its divisors is an integer number (28468314).

Almost surely, 2^1046156540 is an apocalyptic number.

1046156540 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 1046156540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1366479072).

1046156540 is an abundant number, since it is smaller than the sum of its proper divisors (1686801604).

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

1046156540 is a wasteful number, since it uses less digits than its factorization.

1046156540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21567 (or 21565 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 1046156540 is about 32344.3432457671. The cubic root of 1046156540 is about 1015.1546885822.

The spelling of 1046156540 in words is "one billion, forty-six million, one hundred fifty-six thousand, five hundred forty".