40381051425870 has 64 divisors (see below), whose sum is σ = 97304407833600. Its totient is φ = 10724977897728.

The previous prime is 40381051425821. The next prime is 40381051425941. The reversal of 40381051425870 is 7852415018304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35473306 + ... + 36593954.

It is an arithmetic number, because the mean of its divisors is an integer number (1520381372400).

Almost surely, 2^{40381051425870} is an apocalyptic number.

40381051425870 is an abundant number, since it is smaller than the sum of its proper divisors (56923356407730).

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

40381051425870 is a wasteful number, since it uses less digits than its factorization.

40381051425870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125489.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 40381051425870 in words is "forty trillion, three hundred eighty-one billion, fifty-one million, four hundred twenty-five thousand, eight hundred seventy".