10400131225 has 24 divisors (see below), whose sum is σ = 14896109088. Its totient is φ = 7118803200.

The previous prime is 10400131211. The next prime is 10400131229. The reversal of 10400131225 is 52213100401.

It is a de Polignac number, because none of the positive numbers 2^k-10400131225 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10400131229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1107639 + ... + 1116988.

It is an arithmetic number, because the mean of its divisors is an integer number (620671212).

Almost surely, 2^10400131225 is an apocalyptic number.

It is an amenable number.

10400131225 is a deficient number, since it is larger than the sum of its proper divisors (4495977863).

10400131225 is a wasteful number, since it uses less digits than its factorization.

10400131225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224665 (or 2224660 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 10400131225 its reverse (52213100401), we get a palindrome (62613231626).

The spelling of 10400131225 in words is "ten billion, four hundred million, one hundred thirty-one thousand, two hundred twenty-five".