40025494038 has 16 divisors (see below), whose sum is σ = 80053986816. Its totient is φ = 13341331560.

The previous prime is 40025494037. The next prime is 40025494081. The reversal of 40025494038 is 83049452004.

It is a junction number, because it is equal to n+sod(n) for n = 40025493987 and 40025494005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40025494037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72595 + ... + 292097.

It is an arithmetic number, because the mean of its divisors is an integer number (5003374176).

Almost surely, 2^40025494038 is an apocalyptic number.

40025494038 is an abundant number, since it is smaller than the sum of its proper divisors (40028492778).

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

40025494038 is a wasteful number, since it uses less digits than its factorization.

40025494038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249899.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 40025494038 in words is "forty billion, twenty-five million, four hundred ninety-four thousand, thirty-eight".