40492154 has 16 divisors (see below), whose sum is σ = 65424480. Its totient is φ = 18733680.

The previous prime is 40492141. The next prime is 40492157. The reversal of 40492154 is 45129404.

It is a super-2 number, since 2×40492154² = 3279229071119432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40492157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10757 + ... + 14024.

It is an arithmetic number, because the mean of its divisors is an integer number (4089030).

Almost surely, 2^40492154 is an apocalyptic number.

40492154 is a deficient number, since it is larger than the sum of its proper divisors (24932326).

40492154 is a wasteful number, since it uses less digits than its factorization.

40492154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24845.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 40492154 is about 6363.3445608422. The cubic root of 40492154 is about 343.3920949685.

The spelling of 40492154 in words is "forty million, four hundred ninety-two thousand, one hundred fifty-four".