2025662040 has 128 divisors (see below), whose sum is σ = 6768460800. Its totient is φ = 538876800.

The previous prime is 2025662033. The next prime is 2025662053. The reversal of 2025662040 is 402665202.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2025661995 and 2025662013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 498015 + ... + 502065.

It is an arithmetic number, because the mean of its divisors is an integer number (52878600).

Almost surely, 2^2025662040 is an apocalyptic number.

2025662040 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 2025662040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3384230400).

2025662040 is an abundant number, since it is smaller than the sum of its proper divisors (4742798760).

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

2025662040 is a wasteful number, since it uses less digits than its factorization.

2025662040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4534 (or 4524 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2025662040 is about 45007.3553988679. The cubic root of 2025662040 is about 1265.2868560566.

The spelling of 2025662040 in words is "two billion, twenty-five million, six hundred sixty-two thousand, forty".