1400190553479 has 8 divisors (see below), whose sum is σ = 1927143987712. Its totient is φ = 903348744120.

The previous prime is 1400190553393. The next prime is 1400190553493. The reversal of 1400190553479 is 9743550910041.

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

It is not a de Polignac number, because 1400190553479 - 2²⁴ = 1400173776263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400190553499) 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, 7527906109 + ... + 7527906294.

It is an arithmetic number, because the mean of its divisors is an integer number (240892998464).

Almost surely, 2^{1400190553479} is an apocalyptic number.

1400190553479 is a deficient number, since it is larger than the sum of its proper divisors (526953434233).

1400190553479 is a wasteful number, since it uses less digits than its factorization.

1400190553479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15055812437.

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 1400190553479 in words is "one trillion, four hundred billion, one hundred ninety million, five hundred fifty-three thousand, four hundred seventy-nine".