1400436516457 has 8 divisors (see below), whose sum is σ = 1527763253760. Its totient is φ = 1273112166960.

The previous prime is 1400436516433. The next prime is 1400436516461. The reversal of 1400436516457 is 7546156340041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1400436516457 - 2¹⁹ = 1400435992169 is a prime.

It is a super-2 number, since 2×1400436516457² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1400436516757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764344 + ... + 1839862.

It is an arithmetic number, because the mean of its divisors is an integer number (190970406720).

Almost surely, 2^{1400436516457} is an apocalyptic number.

It is an amenable number.

1400436516457 is a deficient number, since it is larger than the sum of its proper divisors (127326737303).

1400436516457 is a wasteful number, since it uses less digits than its factorization.

1400436516457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193903.

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 1400436516457 in words is "one trillion, four hundred billion, four hundred thirty-six million, five hundred sixteen thousand, four hundred fifty-seven".