2154377632 has 48 divisors (see below), whose sum is σ = 4899206592. Its totient is φ = 921656320.

The previous prime is 2154377629. The next prime is 2154377633. The reversal of 2154377632 is 2367734512.

It is not an unprimeable number, because it can be changed into a prime (2154377633) 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, 174028 + ... + 185995.

It is an arithmetic number, because the mean of its divisors is an integer number (102066804).

Almost surely, 2^2154377632 is an apocalyptic number.

2154377632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2154377632 is an abundant number, since it is smaller than the sum of its proper divisors (2744828960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154377632 is a wasteful number, since it uses less digits than its factorization.

2154377632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360061 (or 360053 counting only the distinct ones).

The product of its digits is 211680, while the sum is 40.

The square root of 2154377632 is about 46415.2736930420. The cubic root of 2154377632 is about 1291.5382631171.

The spelling of 2154377632 in words is "two billion, one hundred fifty-four million, three hundred seventy-seven thousand, six hundred thirty-two".