1400413421220 has 192 divisors, whose sum is σ = 4375322977536. Its totient is φ = 331790417920.

The previous prime is 1400413421153. The next prime is 1400413421237. The reversal of 1400413421220 is 221243140041.

It is a super-2 number, since 2×1400413421220² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8911972 + ... + 9067748.

It is an arithmetic number, because the mean of its divisors is an integer number (22788140508).

Almost surely, 2^{1400413421220} is an apocalyptic number.

1400413421220 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 1400413421220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2187661488768).

1400413421220 is an abundant number, since it is smaller than the sum of its proper divisors (2974909556316).

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

1400413421220 is a wasteful number, since it uses less digits than its factorization.

1400413421220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156110 (or 156108 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1400413421220 its reverse (221243140041), we get a palindrome (1621656561261).

The spelling of 1400413421220 in words is "one trillion, four hundred billion, four hundred thirteen million, four hundred twenty-one thousand, two hundred twenty".