40451032125 has 64 divisors (see below), whose sum is σ = 85473722880. Its totient is φ = 18491889600.

The previous prime is 40451032057. The next prime is 40451032151. The reversal of 40451032125 is 52123015404.

It is not a de Polignac number, because 40451032125 - 2⁸ = 40451031869 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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 832482 + ... + 879731.

It is an arithmetic number, because the mean of its divisors is an integer number (1335526920).

Almost surely, 2^40451032125 is an apocalyptic number.

40451032125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40451032125 is an abundant number, since it is smaller than the sum of its proper divisors (45022690755).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40451032125 is a wasteful number, since it uses less digits than its factorization.

40451032125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712244 (or 1712228 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 40451032125 its reverse (52123015404), we get a palindrome (92574047529).

The spelling of 40451032125 in words is "forty billion, four hundred fifty-one million, thirty-two thousand, one hundred twenty-five".