2154402412 has 24 divisors (see below), whose sum is σ = 3894154880. Its totient is φ = 1041828480.

The previous prime is 2154402391. The next prime is 2154402413. The reversal of 2154402412 is 2142044512.

It is not an unprimeable number, because it can be changed into a prime (2154402413) 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, 254878 + ... + 263194.

Almost surely, 2^2154402412 is an apocalyptic number.

It is an amenable number.

2154402412 is a deficient number, since it is larger than the sum of its proper divisors (1739752468).

2154402412 is a wasteful number, since it uses less digits than its factorization.

2154402412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10441 (or 10439 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2154402412 is about 46415.5406302674. The cubic root of 2154402412 is about 1291.5432149254.

Adding to 2154402412 its reverse (2142044512), we get a palindrome (4296446924).

The spelling of 2154402412 in words is "two billion, one hundred fifty-four million, four hundred two thousand, four hundred twelve".