40349012 has 24 divisors (see below), whose sum is σ = 77552832. Its totient is φ = 18216000.

The previous prime is 40349009. The next prime is 40349047. The reversal of 40349012 is 21094304.

It is a super-2 number, since 2×40349012² = 3256085538752288, which contains 22 as substring.

It is a congruent number.

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, 3608 + ... + 9680.

It is an arithmetic number, because the mean of its divisors is an integer number (3231368).

Almost surely, 2^40349012 is an apocalyptic number.

It is an amenable number.

40349012 is a deficient number, since it is larger than the sum of its proper divisors (37203820).

40349012 is a wasteful number, since it uses less digits than its factorization.

40349012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6239 (or 6237 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 40349012 is about 6352.0872160259. The cubic root of 40349012 is about 342.9869805540.

The spelling of 40349012 in words is "forty million, three hundred forty-nine thousand, twelve".