40293480 has 64 divisors (see below), whose sum is σ = 121305600. Its totient is φ = 10707200.

The previous prime is 40293467. The next prime is 40293527. The reversal of 40293480 is 8439204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57130 + ... + 57830.

It is an arithmetic number, because the mean of its divisors is an integer number (1895400).

Almost surely, 2^40293480 is an apocalyptic number.

40293480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40293480 is an abundant number, since it is smaller than the sum of its proper divisors (81012120).

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

40293480 is a wasteful number, since it uses less digits than its factorization.

40293480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194 (or 1190 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 40293480 is about 6347.7145493477. The cubic root of 40293480 is about 342.8295582966.

The spelling of 40293480 in words is "forty million, two hundred ninety-three thousand, four hundred eighty".