40125455 has 8 divisors (see below), whose sum is σ = 50244192. Its totient is φ = 30704608.

The previous prime is 40125419. The next prime is 40125469. The reversal of 40125455 is 55452104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40125455 - 2⁸ = 40125199 is a prime.

It is a super-2 number, since 2×40125455² = 3220104277914050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 174344 + ... + 174573.

It is an arithmetic number, because the mean of its divisors is an integer number (6280524).

Almost surely, 2^40125455 is an apocalyptic number.

40125455 is a deficient number, since it is larger than the sum of its proper divisors (10118737).

40125455 is a wasteful number, since it uses less digits than its factorization.

40125455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348945.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 40125455 is about 6334.4656443934. The cubic root of 40125455 is about 342.3523579110.

Adding to 40125455 its reverse (55452104), we get a palindrome (95577559).

The spelling of 40125455 in words is "forty million, one hundred twenty-five thousand, four hundred fifty-five".