40102544525 has 24 divisors (see below), whose sum is σ = 50625230760. Its totient is φ = 31506416640.

The previous prime is 40102544513. The next prime is 40102544551. The reversal of 40102544525 is 52544520104.

It can be written as a sum of positive squares in 12 ways, for example, as 6983276356 + 33119268169 = 83566^2 + 181987^2 .

It is not a de Polignac number, because 40102544525 - 2⁸ = 40102544269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40102544491 and 40102544500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378071 + ... + 472379.

It is an arithmetic number, because the mean of its divisors is an integer number (2109384615).

Almost surely, 2^40102544525 is an apocalyptic number.

It is an amenable number.

40102544525 is a deficient number, since it is larger than the sum of its proper divisors (10522686235).

40102544525 is a wasteful number, since it uses less digits than its factorization.

40102544525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94625 (or 94620 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 40102544525 in words is "forty billion, one hundred two million, five hundred forty-four thousand, five hundred twenty-five".