40025494004 has 6 divisors (see below), whose sum is σ = 70044614514. Its totient is φ = 20012747000.

The previous prime is 40025493983. The next prime is 40025494007. The reversal of 40025494004 is 40049452004.

It can be written as a sum of positive squares in only one way, i.e., 39442754404 + 582739600 = 198602^2 + 24140^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40025494007) by changing a digit.

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 as a sum of consecutive naturals, namely, 5003186747 + ... + 5003186754.

It is an arithmetic number, because the mean of its divisors is an integer number (11674102419).

Almost surely, 2^40025494004 is an apocalyptic number.

It is an amenable number.

40025494004 is a deficient number, since it is larger than the sum of its proper divisors (30019120510).

40025494004 is a wasteful number, since it uses less digits than its factorization.

40025494004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10006373505 (or 10006373503 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 40025494004 in words is "forty billion, twenty-five million, four hundred ninety-four thousand, four".