40512257001 has 32 divisors (see below), whose sum is σ = 60806870400. Its totient is φ = 26986950144.

The previous prime is 40512256979. The next prime is 40512257033. The reversal of 40512257001 is 10075221504.

40512257001 is a `hidden beast` number, since 40 + 51 + 2 + 2 + 570 + 0 + 1 = 666.

It is not a de Polignac number, because 40512257001 - 2¹⁴ = 40512240617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40512257041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3074910 + ... + 3088056.

It is an arithmetic number, because the mean of its divisors is an integer number (1900214700).

Almost surely, 2^40512257001 is an apocalyptic number.

It is an amenable number.

40512257001 is a deficient number, since it is larger than the sum of its proper divisors (20294613399).

40512257001 is an equidigital number, since it uses as much as digits as its factorization.

40512257001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14577 (or 14559 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

Adding to 40512257001 its reverse (10075221504), we get a palindrome (50587478505).

The spelling of 40512257001 in words is "forty billion, five hundred twelve million, two hundred fifty-seven thousand, one".