202425652840 has 32 divisors (see below), whose sum is σ = 455605920000. Its totient is φ = 80943914304.

The previous prime is 202425652837. The next prime is 202425652907. The reversal of 202425652840 is 48256524202.

It is a super-2 number, since 2×202425652840² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 202425652793 and 202425652802.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 698640 + ... + 944959.

It is an arithmetic number, because the mean of its divisors is an integer number (14237685000).

Almost surely, 2^202425652840 is an apocalyptic number.

202425652840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202425652840 is an abundant number, since it is smaller than the sum of its proper divisors (253180267160).

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

202425652840 is a wasteful number, since it uses less digits than its factorization.

202425652840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646689 (or 1646685 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

The spelling of 202425652840 in words is "two hundred two billion, four hundred twenty-five million, six hundred fifty-two thousand, eight hundred forty".