156463623640 has 48 divisors (see below), whose sum is σ = 371546963280. Its totient is φ = 59291472960.

The previous prime is 156463623629. The next prime is 156463623649. The reversal of 156463623640 is 46326364651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156463623649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5403276 + ... + 5432155.

It is an arithmetic number, because the mean of its divisors is an integer number (7740561735).

Almost surely, 2^156463623640 is an apocalyptic number.

156463623640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156463623640 is an abundant number, since it is smaller than the sum of its proper divisors (215083339640).

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

156463623640 is a wasteful number, since it uses less digits than its factorization.

156463623640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10835480 (or 10835457 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 46.

The spelling of 156463623640 in words is "one hundred fifty-six billion, four hundred sixty-three million, six hundred twenty-three thousand, six hundred forty".