40539776 has 16 divisors (see below), whose sum is σ = 80763090. Its totient is φ = 20269824.

The previous prime is 40539743. The next prime is 40539833. The reversal of 40539776 is 67793504.

It can be written as a sum of positive squares in only one way, i.e., 27290176 + 13249600 = 5224^2 + 3640^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158231 + ... + 158486.

Almost surely, 2^40539776 is an apocalyptic number.

It is an amenable number.

40539776 is a deficient number, since it is larger than the sum of its proper divisors (40223314).

40539776 is an equidigital number, since it uses as much as digits as its factorization.

40539776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316731 (or 316719 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 40539776 is about 6367.0853614507. The cubic root of 40539776 is about 343.5266610519.

The spelling of 40539776 in words is "forty million, five hundred thirty-nine thousand, seven hundred seventy-six".