40987079 has 6 divisors (see below), whose sum is σ = 47678904. Its totient is φ = 35131740.

The previous prime is 40987061. The next prime is 40987087. The reversal of 40987079 is 97078904.

It is not a de Polignac number, because 40987079 - 2⁸ = 40986823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40987039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 418187 + ... + 418284.

It is an arithmetic number, because the mean of its divisors is an integer number (7946484).

Almost surely, 2^40987079 is an apocalyptic number.

40987079 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

40987079 is a deficient number, since it is larger than the sum of its proper divisors (6691825).

40987079 is an equidigital number, since it uses as much as digits as its factorization.

40987079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836485 (or 836478 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 40987079 is about 6402.1151973391. The cubic root of 40987079 is about 344.7854971308.

The spelling of 40987079 in words is "forty million, nine hundred eighty-seven thousand, seventy-nine".