1406451115020 has 72 divisors (see below), whose sum is σ = 4581012212784. Its totient is φ = 321474539904.

The previous prime is 1406451114997. The next prime is 1406451115037. The reversal of 1406451115020 is 205111546041.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239189427 + ... + 239195306.

It is an arithmetic number, because the mean of its divisors is an integer number (63625169622).

Almost surely, 2^{1406451115020} is an apocalyptic number.

1406451115020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406451115020 is an abundant number, since it is smaller than the sum of its proper divisors (3174561097764).

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

1406451115020 is a wasteful number, since it uses less digits than its factorization.

1406451115020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478384759 (or 478384750 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 1406451115020 in words is "one trillion, four hundred six billion, four hundred fifty-one million, one hundred fifteen thousand, twenty".