2287576440 has 384 divisors, whose sum is σ = 8410521600. Its totient is φ = 535818240.

The previous prime is 2287576409. The next prime is 2287576469. The reversal of 2287576440 is 446757822.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11976745 + ... + 11976935.

It is an arithmetic number, because the mean of its divisors is an integer number (21902400).

Almost surely, 2^2287576440 is an apocalyptic number.

2287576440 is a gapful number since it is divisible by the number (20) 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 2287576440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4205260800).

2287576440 is an abundant number, since it is smaller than the sum of its proper divisors (6122945160).

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

2287576440 is a wasteful number, since it uses less digits than its factorization.

2287576440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 2287576440 is about 47828.6152841581. The cubic root of 2287576440 is about 1317.6251375702.

The spelling of 2287576440 in words is "two billion, two hundred eighty-seven million, five hundred seventy-six thousand, four hundred forty".