40624612021402 has 4 divisors (see below), whose sum is σ = 60936918032106. Its totient is φ = 20312306010700.

The previous prime is 40624612021381. The next prime is 40624612021417. The reversal of 40624612021402 is 20412021642604.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39369990251601 + 1254621769801 = 6274551^2 + 1120099^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156153005349 + ... + 10156153005352.

Almost surely, 2^{40624612021402} is an apocalyptic number.

40624612021402 is a deficient number, since it is larger than the sum of its proper divisors (20312306010704).

40624612021402 is a wasteful number, since it uses less digits than its factorization.

40624612021402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20312306010703.

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 40624612021402 in words is "forty trillion, six hundred twenty-four billion, six hundred twelve million, twenty-one thousand, four hundred two".