478372402 has 4 divisors (see below), whose sum is σ = 717558606. Its totient is φ = 239186200.

The previous prime is 478372399. The next prime is 478372403. The reversal of 478372402 is 204273874.

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., 469545561 + 8826841 = 21669^2 + 2971^2 .

It is not an unprimeable number, because it can be changed into a prime (478372403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119593099 + ... + 119593102.

Almost surely, 2^478372402 is an apocalyptic number.

478372402 is a deficient number, since it is larger than the sum of its proper divisors (239186204).

478372402 is a wasteful number, since it uses less digits than its factorization.

478372402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239186203.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 478372402 is about 21871.7260864341. The cubic root of 478372402 is about 782.0875495851.

The spelling of 478372402 in words is "four hundred seventy-eight million, three hundred seventy-two thousand, four hundred two".