140032400400 has 240 divisors, whose sum is σ = 510569613120. Its totient is φ = 36431078400.

The previous prime is 140032400377. The next prime is 140032400411. The reversal of 140032400400 is 4004230041.

140032400400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 284679 + ... + 600921.

It is an arithmetic number, because the mean of its divisors is an integer number (2127373388).

Almost surely, 2^140032400400 is an apocalyptic number.

140032400400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140032400400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255284806560).

140032400400 is an abundant number, since it is smaller than the sum of its proper divisors (370537212720).

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

140032400400 is a wasteful number, since it uses less digits than its factorization.

140032400400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316311 (or 316294 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 140032400400 its reverse (4004230041), we get a palindrome (144036630441).

The spelling of 140032400400 in words is "one hundred forty billion, thirty-two million, four hundred thousand, four hundred".