64256156350 has 12 divisors (see below), whose sum is σ = 119516450904. Its totient is φ = 25702462520.

The previous prime is 64256156339. The next prime is 64256156359. The reversal of 64256156350 is 5365165246.

It is a junction number, because it is equal to n+sod(n) for n = 64256156297 and 64256156306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64256156359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 642561514 + ... + 642561613.

It is an arithmetic number, because the mean of its divisors is an integer number (9959704242).

Almost surely, 2^64256156350 is an apocalyptic number.

64256156350 is a deficient number, since it is larger than the sum of its proper divisors (55260294554).

64256156350 is a wasteful number, since it uses less digits than its factorization.

64256156350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285123139 (or 1285123134 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 64256156350 in words is "sixty-four billion, two hundred fifty-six million, one hundred fifty-six thousand, three hundred fifty".