1400247421461 has 36 divisors (see below), whose sum is σ = 2356456257792. Its totient is φ = 798896834064.

The previous prime is 1400247421451. The next prime is 1400247421487. The reversal of 1400247421461 is 1641247420041.

1400247421461 is a `hidden beast` number, since 1 + 40 + 0 + 2 + 474 + 2 + 146 + 1 = 666.

It is not a de Polignac number, because 1400247421461 - 2¹⁴ = 1400247405077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400247421451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2185461 + ... + 2752586.

It is an arithmetic number, because the mean of its divisors is an integer number (65457118272).

Almost surely, 2^{1400247421461} is an apocalyptic number.

It is an amenable number.

1400247421461 is a deficient number, since it is larger than the sum of its proper divisors (956208836331).

1400247421461 is a wasteful number, since it uses less digits than its factorization.

1400247421461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4938710 (or 4938700 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 1400247421461 in words is "one trillion, four hundred billion, two hundred forty-seven million, four hundred twenty-one thousand, four hundred sixty-one".