1400235512020 has 24 divisors (see below), whose sum is σ = 2940795988200. Its totient is φ = 560036792832.

The previous prime is 1400235511949. The next prime is 1400235512047. The reversal of 1400235512020 is 202155320041.

It can be written as a sum of positive squares in 4 ways, for example, as 481988616516 + 918246895504 = 694254^2 + 958252^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3387985 + ... + 3778744.

It is an arithmetic number, because the mean of its divisors is an integer number (122533166175).

Almost surely, 2^{1400235512020} is an apocalyptic number.

1400235512020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400235512020 is an abundant number, since it is smaller than the sum of its proper divisors (1540560476180).

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

1400235512020 is a wasteful number, since it uses less digits than its factorization.

1400235512020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176507 (or 7176505 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 1400235512020 in words is "one trillion, four hundred billion, two hundred thirty-five million, five hundred twelve thousand, twenty".