45431666402 has 8 divisors (see below), whose sum is σ = 68150963136. Its totient is φ = 22714678692.

The previous prime is 45431666381. The next prime is 45431666407. The reversal of 45431666402 is 20466613454.

45431666402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45431666402.

It is not an unprimeable number, because it can be changed into a prime (45431666407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 527198 + ... + 607289.

It is an arithmetic number, because the mean of its divisors is an integer number (8518870392).

Almost surely, 2^45431666402 is an apocalyptic number.

45431666402 is a deficient number, since it is larger than the sum of its proper divisors (22719296734).

45431666402 is a wasteful number, since it uses less digits than its factorization.

45431666402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154512.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 45431666402 in words is "forty-five billion, four hundred thirty-one million, six hundred sixty-six thousand, four hundred two".