40151254 has 64 divisors (see below), whose sum is σ = 75479040. Its totient is φ = 15765120.

The previous prime is 40151239. The next prime is 40151299. The reversal of 40151254 is 45215104.

It is a super-2 number, since 2×40151254² = 3224246395545032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389767 + ... + 389869.

It is an arithmetic number, because the mean of its divisors is an integer number (1179360).

Almost surely, 2^40151254 is an apocalyptic number.

40151254 is a deficient number, since it is larger than the sum of its proper divisors (35327786).

40151254 is a wasteful number, since it uses less digits than its factorization.

40151254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 40151254 is about 6336.5017162469. The cubic root of 40151254 is about 342.4257149708.

Adding to 40151254 its reverse (45215104), we get a palindrome (85366358).

The spelling of 40151254 in words is "forty million, one hundred fifty-one thousand, two hundred fifty-four".