2251454040 has 96 divisors (see below), whose sum is σ = 7982442000. Its totient is φ = 545806080.

The previous prime is 2251454021. The next prime is 2251454057. The reversal of 2251454040 is 404541522.

2251454040 is a `hidden beast` number, since 2 + 251 + 4 + 5 + 404 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2251453995 and 2251454013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280315 + ... + 288234.

Almost surely, 2^2251454040 is an apocalyptic number.

2251454040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2251454040 is an abundant number, since it is smaller than the sum of its proper divisors (5730987960).

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

2251454040 is a wasteful number, since it uses less digits than its factorization.

2251454040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568577 (or 568570 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2251454040 is about 47449.4893544704. The cubic root of 2251454040 is about 1310.6529076410.

Adding to 2251454040 its reverse (404541522), we get a palindrome (2655995562).

The spelling of 2251454040 in words is "two billion, two hundred fifty-one million, four hundred fifty-four thousand, forty".