40102880 has 24 divisors (see below), whose sum is σ = 94743432. Its totient is φ = 16041088.

The previous prime is 40102841. The next prime is 40102889. The reversal of 40102880 is 8820104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40102889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125162 + ... + 125481.

It is an arithmetic number, because the mean of its divisors is an integer number (3947643).

Almost surely, 2^40102880 is an apocalyptic number.

40102880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40102880 is an abundant number, since it is smaller than the sum of its proper divisors (54640552).

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

40102880 is a wasteful number, since it uses less digits than its factorization.

40102880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250658 (or 250650 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 40102880 is about 6332.6834754312. The cubic root of 40102880 is about 342.2881421961.

Adding to 40102880 its reverse (8820104), we get a palindrome (48922984).

The spelling of 40102880 in words is "forty million, one hundred two thousand, eight hundred eighty".