4256687924 has 12 divisors (see below), whose sum is σ = 7773082464. Its totient is φ = 2035807224.

The previous prime is 4256687917. The next prime is 4256687969. The reversal of 4256687924 is 4297866524.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23134082 + ... + 23134265.

It is an arithmetic number, because the mean of its divisors is an integer number (647756872).

Almost surely, 2^4256687924 is an apocalyptic number.

It is an amenable number.

4256687924 is a deficient number, since it is larger than the sum of its proper divisors (3516394540).

4256687924 is a wasteful number, since it uses less digits than its factorization.

4256687924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46268374 (or 46268372 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 53.

The square root of 4256687924 is about 65243.2979240014. The cubic root of 4256687924 is about 1620.6551132876.

The spelling of 4256687924 in words is "four billion, two hundred fifty-six million, six hundred eighty-seven thousand, nine hundred twenty-four".