40154097 has 4 divisors (see below), whose sum is σ = 53538800. Its totient is φ = 26769396.

The previous prime is 40154077. The next prime is 40154099. The reversal of 40154097 is 79045104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40154097 - 2⁶ = 40154033 is a prime.

It is a super-2 number, since 2×40154097² = 3224703011770818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40154099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6692347 + ... + 6692352.

It is an arithmetic number, because the mean of its divisors is an integer number (13384700).

Almost surely, 2^40154097 is an apocalyptic number.

It is an amenable number.

40154097 is a deficient number, since it is larger than the sum of its proper divisors (13384703).

40154097 is a wasteful number, since it uses less digits than its factorization.

40154097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13384702.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 40154097 is about 6336.7260474160. The cubic root of 40154097 is about 342.4337968548.

The spelling of 40154097 in words is "forty million, one hundred fifty-four thousand, ninety-seven".