240625401420 has 96 divisors (see below), whose sum is σ = 678540945600. Its totient is φ = 63710945280.

The previous prime is 240625401407. The next prime is 240625401421. The reversal of 240625401420 is 24104526042.

It is a super-2 number, since 2×240625401420² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (240625401421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37124580 + ... + 37131060.

It is an arithmetic number, because the mean of its divisors is an integer number (7068134850).

Almost surely, 2^240625401420 is an apocalyptic number.

240625401420 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 240625401420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339270472800).

240625401420 is an abundant number, since it is smaller than the sum of its proper divisors (437915544180).

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

240625401420 is a wasteful number, since it uses less digits than its factorization.

240625401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10795 (or 10793 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 240625401420 its reverse (24104526042), we get a palindrome (264729927462).

The spelling of 240625401420 in words is "two hundred forty billion, six hundred twenty-five million, four hundred one thousand, four hundred twenty".