1241663040 has 112 divisors (see below), whose sum is σ = 4380341760. Its totient is φ = 331107840.

The previous prime is 1241663029. The next prime is 1241663063. The reversal of 1241663040 is 403661421.

1241663040 is a `hidden beast` number, since 1 + 24 + 1 + 6 + 630 + 4 + 0 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1241662995 and 1241663013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63216 + ... + 80495.

Almost surely, 2^1241663040 is an apocalyptic number.

1241663040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241663040 is an abundant number, since it is smaller than the sum of its proper divisors (3138678720).

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

1241663040 is a wasteful number, since it uses less digits than its factorization.

1241663040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143737 (or 143721 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1241663040 is about 35237.2393924382. The cubic root of 1241663040 is about 1074.8171428657.

The spelling of 1241663040 in words is "one billion, two hundred forty-one million, six hundred sixty-three thousand, forty".