240490371240 has 288 divisors, whose sum is σ = 957054852000. Its totient is φ = 52076037888.

The previous prime is 240490371211. The next prime is 240490371263. The reversal of 240490371240 is 42173094042.

240490371240 is a `hidden beast` number, since 2 + 4 + 0 + 49 + 0 + 371 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 240490371195 and 240490371204.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 23610 + ... + 693929.

It is an arithmetic number, because the mean of its divisors is an integer number (3323107125).

Almost surely, 2^240490371240 is an apocalyptic number.

240490371240 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 240490371240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478527426000).

240490371240 is an abundant number, since it is smaller than the sum of its proper divisors (716564480760).

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

240490371240 is a wasteful number, since it uses less digits than its factorization.

240490371240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717589 (or 717575 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 240490371240 in words is "two hundred forty billion, four hundred ninety million, three hundred seventy-one thousand, two hundred forty".