2451140032 has 56 divisors (see below), whose sum is σ = 5312755440. Its totient is φ = 1112770560.

The previous prime is 2451139997. The next prime is 2451140071. The reversal of 2451140032 is 2300411542.

It is a super-2 number, since 2×2451140032² = 12016174912945922048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2451139985 and 2451140012.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 750948 + ... + 754204.

Almost surely, 2^2451140032 is an apocalyptic number.

2451140032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2451140032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2656377720).

2451140032 is an abundant number, since it is smaller than the sum of its proper divisors (2861615408).

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

2451140032 is a wasteful number, since it uses less digits than its factorization.

2451140032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349 (or 4339 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2451140032 is about 49508.9894059655. The cubic root of 2451140032 is about 1348.3088163554.

Adding to 2451140032 its reverse (2300411542), we get a palindrome (4751551574).

The spelling of 2451140032 in words is "two billion, four hundred fifty-one million, one hundred forty thousand, thirty-two".