40490814 has 32 divisors (see below), whose sum is σ = 99671040. Its totient is φ = 10678752.

The previous prime is 40490809. The next prime is 40490819. The reversal of 40490814 is 41809404.

It is an interprime number because it is at equal distance from previous prime (40490809) and next prime (40490819).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40490819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36534 + ... + 37625.

It is an arithmetic number, because the mean of its divisors is an integer number (3114720).

Almost surely, 2^40490814 is an apocalyptic number.

40490814 is an abundant number, since it is smaller than the sum of its proper divisors (59180226).

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

40490814 is a wasteful number, since it uses less digits than its factorization.

40490814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74184.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 40490814 is about 6363.2392694287. The cubic root of 40490814 is about 343.3883069879.

The spelling of 40490814 in words is "forty million, four hundred ninety thousand, eight hundred fourteen".