39880489401 has 15 divisors (see below), whose sum is σ = 59577243231. Its totient is φ = 26585794728.

The previous prime is 39880489393. The next prime is 39880489409. The reversal of 39880489401 is 10498408893.

The square root of 39880489401 is 199701.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (39880489393) and next prime (39880489409).

It can be written as a sum of positive squares in only one way, i.e., 26650889001 + 13229600400 = 163251^2 + 115020^2 .

It is not a de Polignac number, because 39880489401 - 2³ = 39880489393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39880489409) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1786215 + ... + 1808403.

Almost surely, 2^39880489401 is an apocalyptic number.

39880489401 is the 199701-st square number.

39880489401 is the 99851-st centered octagonal number.

It is an amenable number.

39880489401 is a deficient number, since it is larger than the sum of its proper divisors (19696753830).

39880489401 is an frugal number, since it uses more digits than its factorization.

39880489401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44390 (or 22192 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 54.

The spelling of 39880489401 in words is "thirty-nine billion, eight hundred eighty million, four hundred eighty-nine thousand, four hundred one".