40605454 has 8 divisors (see below), whose sum is σ = 61227648. Its totient is φ = 20196240.

The previous prime is 40605437. The next prime is 40605491. The reversal of 40605454 is 45450604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40605454² = 3297605789092232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52767 + ... + 53530.

It is an arithmetic number, because the mean of its divisors is an integer number (7653456).

Almost surely, 2^40605454 is an apocalyptic number.

40605454 is a deficient number, since it is larger than the sum of its proper divisors (20622194).

40605454 is a wasteful number, since it uses less digits than its factorization.

40605454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106490.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 40605454 is about 6372.2408931239. The cubic root of 40605454 is about 343.7120754194.

The spelling of 40605454 in words is "forty million, six hundred five thousand, four hundred fifty-four".