1540087557222 has 8 divisors (see below), whose sum is σ = 3080175114456. Its totient is φ = 513362519072.

The previous prime is 1540087557209. The next prime is 1540087557263. The reversal of 1540087557222 is 2227557800451.

It is a sphenic number, since it is the product of 3 distinct primes.

1540087557222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128340629763 + ... + 128340629774.

It is an arithmetic number, because the mean of its divisors is an integer number (385021889307).

Almost surely, 2^{1540087557222} is an apocalyptic number.

1540087557222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1540087557222 is a wasteful number, since it uses less digits than its factorization.

1540087557222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256681259542.

The product of its (nonzero) digits is 1568000, while the sum is 48.

The spelling of 1540087557222 in words is "one trillion, five hundred forty billion, eighty-seven million, five hundred fifty-seven thousand, two hundred twenty-two".