40807278 has 12 divisors (see below), whose sum is σ = 88415808. Its totient is φ = 13602420.

The previous prime is 40807271. The next prime is 40807331. The reversal of 40807278 is 87270804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40807271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1133518 + ... + 1133553.

It is an arithmetic number, because the mean of its divisors is an integer number (7367984).

Almost surely, 2^40807278 is an apocalyptic number.

40807278 is an abundant number, since it is smaller than the sum of its proper divisors (47608530).

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

40807278 is a wasteful number, since it uses less digits than its factorization.

40807278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2267079 (or 2267076 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 40807278 is about 6388.0574512132. The cubic root of 40807278 is about 344.2805929052.

The spelling of 40807278 in words is "forty million, eight hundred seven thousand, two hundred seventy-eight".