1400434401220 has 48 divisors (see below), whose sum is σ = 2952112762368. Its totient is φ = 558041132160.

The previous prime is 1400434401203. The next prime is 1400434401299. The reversal of 1400434401220 is 221044340041.

It is a super-2 number, since 2×1400434401220² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31616809 + ... + 31661071.

It is an arithmetic number, because the mean of its divisors is an integer number (61502349216).

Almost surely, 2^{1400434401220} is an apocalyptic number.

1400434401220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400434401220 is an abundant number, since it is smaller than the sum of its proper divisors (1551678361148).

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

1400434401220 is a wasteful number, since it uses less digits than its factorization.

1400434401220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50260 (or 50258 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1400434401220 its reverse (221044340041), we get a palindrome (1621478741261).

The spelling of 1400434401220 in words is "one trillion, four hundred billion, four hundred thirty-four million, four hundred one thousand, two hundred twenty".