42276640 has 48 divisors (see below), whose sum is σ = 114149952. Its totient is φ = 14494464.

The previous prime is 42276623. The next prime is 42276701. The reversal of 42276640 is 4667224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17754 + ... + 19993.

It is an arithmetic number, because the mean of its divisors is an integer number (2378124).

Almost surely, 2^42276640 is an apocalyptic number.

42276640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42276640 is an abundant number, since it is smaller than the sum of its proper divisors (71873312).

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

42276640 is a wasteful number, since it uses less digits than its factorization.

42276640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37769 (or 37761 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 42276640 is about 6502.0489078444. The cubic root of 42276640 is about 348.3641759483.

The spelling of 42276640 in words is "forty-two million, two hundred seventy-six thousand, six hundred forty".