40130057 has 8 divisors (see below), whose sum is σ = 44710272. Its totient is φ = 35705200.

The previous prime is 40130017. The next prime is 40130059. The reversal of 40130057 is 75003104.

It is a happy number.

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 40130057 - 2⁶ = 40129993 is a prime.

It is a super-2 number, since 2×40130057² = 3220842949646498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40130059) 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, 38294 + ... + 39327.

It is an arithmetic number, because the mean of its divisors is an integer number (5588784).

Almost surely, 2^40130057 is an apocalyptic number.

40130057 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

40130057 is a deficient number, since it is larger than the sum of its proper divisors (4580215).

40130057 is a wasteful number, since it uses less digits than its factorization.

40130057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77679.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 40130057 is about 6334.8288848240. The cubic root of 40130057 is about 342.3654455742.

The spelling of 40130057 in words is "forty million, one hundred thirty thousand, fifty-seven".