40494055 has 16 divisors (see below), whose sum is σ = 55641600. Its totient is φ = 27713952.

The previous prime is 40493989. The next prime is 40494059. The reversal of 40494055 is 55049404.

It is not a de Polignac number, because 40494055 - 2¹⁵ = 40461287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40494059) 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, 28246 + ... + 29644.

It is an arithmetic number, because the mean of its divisors is an integer number (3477600).

Almost surely, 2^40494055 is an apocalyptic number.

40494055 is a deficient number, since it is larger than the sum of its proper divisors (15147545).

40494055 is a wasteful number, since it uses less digits than its factorization.

40494055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 40494055 is about 6363.4939302242. The cubic root of 40494055 is about 343.3974686692.

The spelling of 40494055 in words is "forty million, four hundred ninety-four thousand, fifty-five".