40219513625 has 16 divisors (see below), whose sum is σ = 50200519824. Its totient is φ = 32171401600.

The previous prime is 40219513619. The next prime is 40219513667. The reversal of 40219513625 is 52631591204.

It can be written as a sum of positive squares in 8 ways, for example, as 3968496016 + 36251017609 = 62996^2 + 190397^2 .

It is not a de Polignac number, because 40219513625 - 2²⁸ = 39951078169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1238597 + ... + 1270653.

It is an arithmetic number, because the mean of its divisors is an integer number (3137532489).

Almost surely, 2^40219513625 is an apocalyptic number.

It is an amenable number.

40219513625 is a deficient number, since it is larger than the sum of its proper divisors (9981006199).

40219513625 is a wasteful number, since it uses less digits than its factorization.

40219513625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42109 (or 42099 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 40219513625 in words is "forty billion, two hundred nineteen million, five hundred thirteen thousand, six hundred twenty-five".