642462302 has 8 divisors (see below), whose sum is σ = 989739336. Its totient is φ = 312549192.

The previous prime is 642462299. The next prime is 642462311. The reversal of 642462302 is 203264246.

642462302 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 super-2 number, since 2×642462302² = 825515618982278408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4340888 + ... + 4341035.

It is an arithmetic number, because the mean of its divisors is an integer number (123717417).

Almost surely, 2^642462302 is an apocalyptic number.

642462302 is a deficient number, since it is larger than the sum of its proper divisors (347277034).

642462302 is a wasteful number, since it uses less digits than its factorization.

642462302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8681962.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 642462302 is about 25346.8400791894. The cubic root of 642462302 is about 862.8776427058.

The spelling of 642462302 in words is "six hundred forty-two million, four hundred sixty-two thousand, three hundred two".