404021251652 has 24 divisors (see below), whose sum is σ = 725876629632. Its totient is φ = 196686120800.

The previous prime is 404021251651. The next prime is 404021251703. The reversal of 404021251652 is 256152120404.

It is not an unprimeable number, because it can be changed into a prime (404021251651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7246124 + ... + 7301667.

It is an arithmetic number, because the mean of its divisors is an integer number (30244859568).

Almost surely, 2^404021251652 is an apocalyptic number.

It is an amenable number.

404021251652 is a deficient number, since it is larger than the sum of its proper divisors (321855377980).

404021251652 is a wasteful number, since it uses less digits than its factorization.

404021251652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14547979 (or 14547977 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 404021251652 in words is "four hundred four billion, twenty-one million, two hundred fifty-one thousand, six hundred fifty-two".