40740781522 has 32 divisors (see below), whose sum is σ = 71002673280. Its totient is φ = 17170876800.

The previous prime is 40740781513. The next prime is 40740781541. The reversal of 40740781522 is 22518704704.

It is a super-2 number, since 2×40740781522² (a number of 22 digits) contains 22 as substring.

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, 527604 + ... + 599872.

It is an arithmetic number, because the mean of its divisors is an integer number (2218833540).

Almost surely, 2^40740781522 is an apocalyptic number.

40740781522 is a deficient number, since it is larger than the sum of its proper divisors (30261891758).

40740781522 is a wasteful number, since it uses less digits than its factorization.

40740781522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72946.

The product of its (nonzero) digits is 125440, while the sum is 40.

The spelling of 40740781522 in words is "forty billion, seven hundred forty million, seven hundred eighty-one thousand, five hundred twenty-two".