230157437640 has 128 divisors (see below), whose sum is σ = 761722012800. Its totient is φ = 55272314880.

The previous prime is 230157437623. The next prime is 230157437773. The reversal of 230157437640 is 46734751032.

It is a super-2 number, since 2×230157437640² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230157437592 and 230157437601.

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, 1735270 + ... + 1863189.

It is an arithmetic number, because the mean of its divisors is an integer number (5950953225).

Almost surely, 2^230157437640 is an apocalyptic number.

230157437640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230157437640 is an abundant number, since it is smaller than the sum of its proper divisors (531564575160).

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

230157437640 is a wasteful number, since it uses less digits than its factorization.

230157437640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598527 (or 3598523 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 230157437640 in words is "two hundred thirty billion, one hundred fifty-seven million, four hundred thirty-seven thousand, six hundred forty".