40325302251 has 128 divisors (see below), whose sum is σ = 71966361600. Its totient is φ = 22046515200.

The previous prime is 40325302243. The next prime is 40325302279. The reversal of 40325302251 is 15220352304.

It is a happy number.

40325302251 is a `hidden beast` number, since 403 + 2 + 5 + 3 + 0 + 2 + 251 = 666.

It is not a de Polignac number, because 40325302251 - 2³ = 40325302243 is a prime.

It is a super-2 number, since 2×40325302251² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (40325302201) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 45462130 + ... + 45463016.

It is an arithmetic number, because the mean of its divisors is an integer number (562237200).

Almost surely, 2^40325302251 is an apocalyptic number.

40325302251 is a deficient number, since it is larger than the sum of its proper divisors (31641059349).

40325302251 is a wasteful number, since it uses less digits than its factorization.

40325302251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346 (or 1340 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 40325302251 its reverse (15220352304), we get a palindrome (55545654555).

The spelling of 40325302251 in words is "forty billion, three hundred twenty-five million, three hundred two thousand, two hundred fifty-one".