2140552479 has 32 divisors (see below), whose sum is σ = 3131699200. Its totient is φ = 1300272480.

The previous prime is 2140552459. The next prime is 2140552481. The reversal of 2140552479 is 9742550412.

It is not a de Polignac number, because 2140552479 - 2²⁰ = 2139503903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140552409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 518634 + ... + 522744.

It is an arithmetic number, because the mean of its divisors is an integer number (97865600).

Almost surely, 2^2140552479 is an apocalyptic number.

2140552479 is a deficient number, since it is larger than the sum of its proper divisors (991146721).

2140552479 is an equidigital number, since it uses as much as digits as its factorization.

2140552479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232 (or 4206 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 2140552479 is about 46266.1050770432. The cubic root of 2140552479 is about 1288.7696297125.

The spelling of 2140552479 in words is "two billion, one hundred forty million, five hundred fifty-two thousand, four hundred seventy-nine".