1240625484 has 120 divisors (see below), whose sum is σ = 3776861088. Its totient is φ = 347742720.

The previous prime is 1240625479. The next prime is 1240625527. The reversal of 1240625484 is 4845260421.

1240625484 is a `hidden beast` number, since 1 + 24 + 0 + 625 + 4 + 8 + 4 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 115044 + ... + 125364.

Almost surely, 2^1240625484 is an apocalyptic number.

1240625484 is a gapful number since it is divisible by the number (14) 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 1240625484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1888430544).

1240625484 is an abundant number, since it is smaller than the sum of its proper divisors (2536235604).

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

1240625484 is a wasteful number, since it uses less digits than its factorization.

1240625484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10397 (or 10386 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 1240625484 is about 35222.5138796197. The cubic root of 1240625484 is about 1074.5176805838.

The spelling of 1240625484 in words is "one billion, two hundred forty million, six hundred twenty-five thousand, four hundred eighty-four".