40455459 has 48 divisors (see below), whose sum is σ = 67541760. Its totient is φ = 23094720.

The previous prime is 40455451. The next prime is 40455473. The reversal of 40455459 is 95455404.

It is not a de Polignac number, because 40455459 - 2³ = 40455451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40455451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 248112 + ... + 248274.

It is an arithmetic number, because the mean of its divisors is an integer number (1407120).

Almost surely, 2^40455459 is an apocalyptic number.

40455459 is a deficient number, since it is larger than the sum of its proper divisors (27086301).

40455459 is a wasteful number, since it uses less digits than its factorization.

40455459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 40455459 is about 6360.4605965292. The cubic root of 40455459 is about 343.2883334577.

Subtracting 40455459 from its reverse (95455404), we obtain a palindrome (54999945).

The spelling of 40455459 in words is "forty million, four hundred fifty-five thousand, four hundred fifty-nine".