1400721654025 has 12 divisors (see below), whose sum is σ = 1736949887244. Its totient is φ = 1120541816000.

The previous prime is 1400721654019. The next prime is 1400721654049. The reversal of 1400721654025 is 5204561270041.

It can be written as a sum of positive squares in 6 ways, for example, as 130960029456 + 1269761624569 = 361884^2 + 1126837^2 .

It is not a de Polignac number, because 1400721654025 - 2⁵ = 1400721653993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68086 + ... + 1675135.

It is an arithmetic number, because the mean of its divisors is an integer number (144745823937).

Almost surely, 2^{1400721654025} is an apocalyptic number.

It is an amenable number.

1400721654025 is a deficient number, since it is larger than the sum of its proper divisors (336228233219).

1400721654025 is a wasteful number, since it uses less digits than its factorization.

1400721654025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775372 (or 1775367 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 1400721654025 in words is "one trillion, four hundred billion, seven hundred twenty-one million, six hundred fifty-four thousand, twenty-five".