63154402512040 has 128 divisors (see below), whose sum is σ = 169461512640000. Its totient is φ = 20711049182208.

The previous prime is 63154402512023. The next prime is 63154402512077. The reversal of 63154402512040 is 4021520445136.

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, 416650186 + ... + 416801734.

It is an arithmetic number, because the mean of its divisors is an integer number (1323918067500).

Almost surely, 2^{63154402512040} is an apocalyptic number.

It is an amenable number.

63154402512040 is an abundant number, since it is smaller than the sum of its proper divisors (106307110127960).

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

63154402512040 is a wasteful number, since it uses less digits than its factorization.

63154402512040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216299 (or 216295 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 63154402512040 its reverse (4021520445136), we get a palindrome (67175922957176).

The spelling of 63154402512040 in words is "sixty-three trillion, one hundred fifty-four billion, four hundred two million, five hundred twelve thousand, forty".