40309476 has 24 divisors (see below), whose sum is σ = 94291680. Its totient is φ = 13402752.

The previous prime is 40309459. The next prime is 40309481. The reversal of 40309476 is 67490304.

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, 1020 + ... + 9036.

It is an arithmetic number, because the mean of its divisors is an integer number (3928820).

Almost surely, 2^40309476 is an apocalyptic number.

It is an amenable number.

40309476 is an abundant number, since it is smaller than the sum of its proper divisors (53982204).

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

40309476 is a wasteful number, since it uses less digits than its factorization.

40309476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8443 (or 8441 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 40309476 is about 6348.9744053666. The cubic root of 40309476 is about 342.8749186220.

The spelling of 40309476 in words is "forty million, three hundred nine thousand, four hundred seventy-six".