1406933561620 has 24 divisors (see below), whose sum is σ = 2971638870984. Its totient is φ = 559520397696.

The previous prime is 1406933561581. The next prime is 1406933561633. The reversal of 1406933561620 is 261653396041.

It can be written as a sum of positive squares in 4 ways, for example, as 48711138436 + 1358222423184 = 220706^2 + 1165428^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203310639 + ... + 203317558.

It is an arithmetic number, because the mean of its divisors is an integer number (123818286291).

Almost surely, 2^{1406933561620} is an apocalyptic number.

1406933561620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1406933561620 is an abundant number, since it is smaller than the sum of its proper divisors (1564705309364).

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

1406933561620 is a wasteful number, since it uses less digits than its factorization.

1406933561620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406628379 (or 406628377 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 1406933561620 in words is "one trillion, four hundred six billion, nine hundred thirty-three million, five hundred sixty-one thousand, six hundred twenty".