140440342020400 has 30 divisors (see below), whose sum is σ = 337407921704972. Its totient is φ = 56176136808000.

The previous prime is 140440342020337. The next prime is 140440342020431. The reversal of 140440342020400 is 4020243044041.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175550427126 + ... + 175550427925.

Almost surely, 2^{140440342020400} is an apocalyptic number.

140440342020400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140440342020400 is an abundant number, since it is smaller than the sum of its proper divisors (196967579684572).

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

140440342020400 is a wasteful number, since it uses less digits than its factorization.

140440342020400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351100855069 (or 351100855058 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 140440342020400 its reverse (4020243044041), we get a palindrome (144460585064441).

The spelling of 140440342020400 in words is "one hundred forty trillion, four hundred forty billion, three hundred forty-two million, twenty thousand, four hundred".