40019675625 has 60 divisors (see below), whose sum is σ = 72304792560. Its totient is φ = 21323100000.

The previous prime is 40019675593. The next prime is 40019675627. The reversal of 40019675625 is 52657691004.

40019675625 is a `hidden beast` number, since 4 + 0 + 0 + 19 + 6 + 7 + 5 + 625 = 666.

It is not a de Polignac number, because 40019675625 - 2⁵ = 40019675593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40019675627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7079050 + ... + 7084700.

It is an arithmetic number, because the mean of its divisors is an integer number (1205079876).

Almost surely, 2^40019675625 is an apocalyptic number.

40019675625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40019675625 is a deficient number, since it is larger than the sum of its proper divisors (32285116935).

40019675625 is a wasteful number, since it uses less digits than its factorization.

40019675625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6936 (or 6918 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 40019675625 in words is "forty billion, nineteen million, six hundred seventy-five thousand, six hundred twenty-five".