40909496 has 8 divisors (see below), whose sum is σ = 76705320. Its totient is φ = 20454744.

The previous prime is 40909487. The next prime is 40909501. The reversal of 40909496 is 69490904.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2556836 + ... + 2556851.

It is an arithmetic number, because the mean of its divisors is an integer number (9588165).

Almost surely, 2^40909496 is an apocalyptic number.

It is an amenable number.

40909496 is a deficient number, since it is larger than the sum of its proper divisors (35795824).

40909496 is a wasteful number, since it uses less digits than its factorization.

40909496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113693 (or 5113689 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 40909496 is about 6396.0531580030. The cubic root of 40909496 is about 344.5678156129.

The spelling of 40909496 in words is "forty million, nine hundred nine thousand, four hundred ninety-six".