642876150 has 48 divisors (see below), whose sum is σ = 1822097664. Its totient is φ = 146942880.

The previous prime is 642876139. The next prime is 642876161. The reversal of 642876150 is 51678246.

It is an interprime number because it is at equal distance from previous prime (642876139) and next prime (642876161).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 642876099 and 642876108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305082 + ... + 307181.

It is an arithmetic number, because the mean of its divisors is an integer number (37960368).

Almost surely, 2^642876150 is an apocalyptic number.

642876150 is an abundant number, since it is smaller than the sum of its proper divisors (1179221514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

642876150 is a wasteful number, since it uses less digits than its factorization.

642876150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612285 (or 612280 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 642876150 is about 25355.0024649969. The cubic root of 642876150 is about 863.0628797937.

The spelling of 642876150 in words is "six hundred forty-two million, eight hundred seventy-six thousand, one hundred fifty".