2654220465 has 48 divisors (see below), whose sum is σ = 5114403840. Its totient is φ = 1264533120.

The previous prime is 2654220461. The next prime is 2654220467. The reversal of 2654220465 is 5640224562.

It is not a de Polignac number, because 2654220465 - 2² = 2654220461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2654220461) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55045 + ... + 91314.

It is an arithmetic number, because the mean of its divisors is an integer number (106550080).

Almost surely, 2^2654220465 is an apocalyptic number.

It is an amenable number.

2654220465 is a deficient number, since it is larger than the sum of its proper divisors (2460183375).

2654220465 is a wasteful number, since it uses less digits than its factorization.

2654220465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146414 (or 146411 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 2654220465 is about 51519.1271762246. The cubic root of 2654220465 is about 1384.5617549349.

It can be divided in two parts, 26 and 54220465, that added together give a triangular number (54220491 = T₁₀₄₁₃).

The spelling of 2654220465 in words is "two billion, six hundred fifty-four million, two hundred twenty thousand, four hundred sixty-five".