40161154 has 16 divisors (see below), whose sum is σ = 65820096. Its totient is φ = 18226800.

The previous prime is 40161113. The next prime is 40161167. The reversal of 40161154 is 45116104.

It is a super-2 number, since 2×40161154² = 3225836581223432, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21019 + ... + 22849.

It is an arithmetic number, because the mean of its divisors is an integer number (4113756).

Almost surely, 2^40161154 is an apocalyptic number.

40161154 is a deficient number, since it is larger than the sum of its proper divisors (25658942).

40161154 is a wasteful number, since it uses less digits than its factorization.

40161154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2841.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 40161154 is about 6337.2828562405. The cubic root of 40161154 is about 342.4538563583.

Multiplying 40161154 by its sum of digits (22), we get a palindrome (883545388).

Adding to 40161154 its reverse (45116104), we get a palindrome (85277258).

The spelling of 40161154 in words is "forty million, one hundred sixty-one thousand, one hundred fifty-four".