140452552900 has 81 divisors (see below), whose sum is σ = 335106716077. Its totient is φ = 51058664800.

The previous prime is 140452552871. The next prime is 140452552921. The reversal of 140452552900 is 9255254041.

The square root of 140452552900 is 374770.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 50562919044 + 89889633856 = 224862^2 + 299816^2 .

It is a super-2 number, since 2×140452552900² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140452552900.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 41222997 + ... + 41226403.

Almost surely, 2^140452552900 is an apocalyptic number.

140452552900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140452552900 is the 374770-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140452552900

140452552900 is an abundant number, since it is smaller than the sum of its proper divisors (194654163177).

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

140452552900 is an equidigital number, since it uses as much as digits as its factorization.

140452552900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6850 (or 3425 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 140452552900 in words is "one hundred forty billion, four hundred fifty-two million, five hundred fifty-two thousand, nine hundred".