1240948620 has 192 divisors, whose sum is σ = 3973495680. Its totient is φ = 321408000.

The previous prime is 1240948619. The next prime is 1240948637. The reversal of 1240948620 is 268490421.

1240948620 is a `hidden beast` number, since 1 + 24 + 0 + 9 + 4 + 8 + 620 = 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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3326754 + ... + 3327126.

It is an arithmetic number, because the mean of its divisors is an integer number (20695290).

Almost surely, 2^1240948620 is an apocalyptic number.

1240948620 is a gapful number since it is divisible by the number (10) 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 1240948620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1986747840).

1240948620 is an abundant number, since it is smaller than the sum of its proper divisors (2732547060).

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

1240948620 is a wasteful number, since it uses less digits than its factorization.

1240948620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1240948620 is about 35227.1006470870. The cubic root of 1240948620 is about 1074.6109628860.

The spelling of 1240948620 in words is "one billion, two hundred forty million, nine hundred forty-eight thousand, six hundred twenty".