47257029442 has 32 divisors (see below), whose sum is σ = 84835309824. Its totient is φ = 19303468800.

The previous prime is 47257029397. The next prime is 47257029493. The reversal of 47257029442 is 24492075274.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 47257029392 and 47257029401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170659 + ... + 351622.

It is an arithmetic number, because the mean of its divisors is an integer number (2651103432).

Almost surely, 2^47257029442 is an apocalyptic number.

47257029442 is a deficient number, since it is larger than the sum of its proper divisors (37578280382).

47257029442 is a wasteful number, since it uses less digits than its factorization.

47257029442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522594.

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 47257029442 in words is "forty-seven billion, two hundred fifty-seven million, twenty-nine thousand, four hundred forty-two".