156946253040 has 120 divisors (see below), whose sum is σ = 545253003360. Its totient is φ = 40409144832.

The previous prime is 156946253017. The next prime is 156946253041. The reversal of 156946253040 is 40352649651.

156946253040 is a `hidden beast` number, since 1 + 56 + 9 + 4 + 62 + 530 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156946253041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3737412 + ... + 3779171.

It is an arithmetic number, because the mean of its divisors is an integer number (4543775028).

Almost surely, 2^156946253040 is an apocalyptic number.

156946253040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156946253040 is an abundant number, since it is smaller than the sum of its proper divisors (388306750320).

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

156946253040 is a wasteful number, since it uses less digits than its factorization.

156946253040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7516631 (or 7516622 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 156946253040 in words is "one hundred fifty-six billion, nine hundred forty-six million, two hundred fifty-three thousand, forty".