1400794220 has 48 divisors (see below), whose sum is σ = 3559671360. Its totient is φ = 452020224.

The previous prime is 1400794201. The next prime is 1400794223. The reversal of 1400794220 is 224970041.

It is not an unprimeable number, because it can be changed into a prime (1400794223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291905 + ... + 296664.

It is an arithmetic number, because the mean of its divisors is an integer number (74159820).

Almost surely, 2^1400794220 is an apocalyptic number.

1400794220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400794220 is an abundant number, since it is smaller than the sum of its proper divisors (2158877140).

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

1400794220 is a wasteful number, since it uses less digits than its factorization.

1400794220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588602 (or 588600 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1400794220 is about 37427.1855741251. The cubic root of 1400794220 is about 1118.9004461700.

The spelling of 1400794220 in words is "one billion, four hundred million, seven hundred ninety-four thousand, two hundred twenty".