2552154440 has 64 divisors (see below), whose sum is σ = 6269866560. Its totient is φ = 927243520.

The previous prime is 2552154413. The next prime is 2552154463. The reversal of 2552154440 is 444512552.

It is a super-2 number, since 2×2552154440² = 13026984571223427200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2552154397 and 2552154406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760847 + ... + 764193.

It is an arithmetic number, because the mean of its divisors is an integer number (97966665).

Almost surely, 2^2552154440 is an apocalyptic number.

2552154440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2552154440 is an abundant number, since it is smaller than the sum of its proper divisors (3717712120).

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

2552154440 is a wasteful number, since it uses less digits than its factorization.

2552154440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 2552154440 is about 50518.8523226726. The cubic root of 2552154440 is about 1366.5818565918.

Adding to 2552154440 its reverse (444512552), we get a palindrome (2996666992).

The spelling of 2552154440 in words is "two billion, five hundred fifty-two million, one hundred fifty-four thousand, four hundred forty".