40254406 has 4 divisors (see below), whose sum is σ = 60381612. Its totient is φ = 20127202.

The previous prime is 40254397. The next prime is 40254421. The reversal of 40254406 is 60445204.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10063600 + ... + 10063603.

It is an arithmetic number, because the mean of its divisors is an integer number (15095403).

Almost surely, 2^40254406 is an apocalyptic number.

40254406 is a deficient number, since it is larger than the sum of its proper divisors (20127206).

40254406 is a wasteful number, since it uses less digits than its factorization.

40254406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20127205.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 40254406 is about 6344.6360021675. The cubic root of 40254406 is about 342.7187045092.

The spelling of 40254406 in words is "forty million, two hundred fifty-four thousand, four hundred six".