1403155322420 has 48 divisors (see below), whose sum is σ = 2999490455808. Its totient is φ = 551252862720.

The previous prime is 1403155322369. The next prime is 1403155322441. The reversal of 1403155322420 is 242235513041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1505129 + ... + 2252048.

It is an arithmetic number, because the mean of its divisors is an integer number (62489384496).

Almost surely, 2^{1403155322420} is an apocalyptic number.

1403155322420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1403155322420 is an abundant number, since it is smaller than the sum of its proper divisors (1596335133388).

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

1403155322420 is a wasteful number, since it uses less digits than its factorization.

1403155322420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3757520 (or 3757518 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 1403155322420 in words is "one trillion, four hundred three billion, one hundred fifty-five million, three hundred twenty-two thousand, four hundred twenty".