140121005502400 has 168 divisors, whose sum is σ = 376393595368784. Its totient is φ = 51028260249600.

The previous prime is 140121005502389. The next prime is 140121005502433. The reversal of 140121005502400 is 4205500121041.

It is a super-2 number, since 2×140121005502400² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44622606 + ... + 47659405.

Almost surely, 2^{140121005502400} is an apocalyptic number.

140121005502400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140121005502400 is an abundant number, since it is smaller than the sum of its proper divisors (236272589866384).

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

140121005502400 is a wasteful number, since it uses less digits than its factorization.

140121005502400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92282119 (or 92282104 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 140121005502400 its reverse (4205500121041), we get a palindrome (144326505623441).

The spelling of 140121005502400 in words is "one hundred forty trillion, one hundred twenty-one billion, five million, five hundred two thousand, four hundred".