42551252402 has 16 divisors (see below), whose sum is σ = 64542290400. Its totient is φ = 21038376000.

The previous prime is 42551252321. The next prime is 42551252461. The reversal of 42551252402 is 20425215524.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235127 + ... + 374682.

It is an arithmetic number, because the mean of its divisors is an integer number (4033893150).

Almost surely, 2^42551252402 is an apocalyptic number.

42551252402 is a deficient number, since it is larger than the sum of its proper divisors (21991037998).

42551252402 is a wasteful number, since it uses less digits than its factorization.

42551252402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610201.

The product of its (nonzero) digits is 32000, while the sum is 32.

Adding to 42551252402 its reverse (20425215524), we get a palindrome (62976467926).

The spelling of 42551252402 in words is "forty-two billion, five hundred fifty-one million, two hundred fifty-two thousand, four hundred two".