40221542015124 has 24 divisors (see below), whose sum is σ = 93850441365408. Its totient is φ = 13407155434080.

The previous prime is 40221542015113. The next prime is 40221542015131. The reversal of 40221542015124 is 42151024512204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4165134 + ... + 9888954.

It is an arithmetic number, because the mean of its divisors is an integer number (3910435056892).

Almost surely, 2^{40221542015124} is an apocalyptic number.

It is an amenable number.

40221542015124 is an abundant number, since it is smaller than the sum of its proper divisors (53628899350284).

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

40221542015124 is a wasteful number, since it uses less digits than its factorization.

40221542015124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309415 (or 6309413 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

Adding to 40221542015124 its reverse (42151024512204), we get a palindrome (82372566527328).

The spelling of 40221542015124 in words is "forty trillion, two hundred twenty-one billion, five hundred forty-two million, fifteen thousand, one hundred twenty-four".