2025420390 has 120 divisors (see below), whose sum is σ = 6335418672. Its totient is φ = 462944160.

The previous prime is 2025420379. The next prime is 2025420391. The reversal of 2025420390 is 930245202.

2025420390 is a `hidden beast` number, since 2 + 0 + 254 + 20 + 390 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025420391) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 14175 + ... + 65205.

Almost surely, 2^2025420390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2025420390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3167709336).

2025420390 is an abundant number, since it is smaller than the sum of its proper divisors (4309998282).

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

2025420390 is a wasteful number, since it uses less digits than its factorization.

2025420390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51064 (or 51048 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2025420390 is about 45004.6707576003. The cubic root of 2025420390 is about 1265.2365402056.

Adding to 2025420390 its reverse (930245202), we get a palindrome (2955665592).

The spelling of 2025420390 in words is "two billion, twenty-five million, four hundred twenty thousand, three hundred ninety".