42276440 has 16 divisors (see below), whose sum is σ = 95122080. Its totient is φ = 16910560.

The previous prime is 42276431. The next prime is 42276469. The reversal of 42276440 is 4467224.

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, 528416 + ... + 528495.

It is an arithmetic number, because the mean of its divisors is an integer number (5945130).

Almost surely, 2^42276440 is an apocalyptic number.

42276440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42276440 is an abundant number, since it is smaller than the sum of its proper divisors (52845640).

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

42276440 is a wasteful number, since it uses less digits than its factorization.

42276440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056922 (or 1056918 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 42276440 is about 6502.0335280587. The cubic root of 42276440 is about 348.3636266067.

The spelling of 42276440 in words is "forty-two million, two hundred seventy-six thousand, four hundred forty".