403483991040 has 880 divisors, whose sum is σ = 1581733144992. Its totient is φ = 97749172224.

The previous prime is 403483991039. The next prime is 403483991063. The reversal of 403483991040 is 40199384304.

It is a happy number.

403483991040 is a `hidden beast` number, since 40 + 3 + 483 + 9 + 91 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 361220562 + ... + 361221678.

Almost surely, 2^403483991040 is an apocalyptic number.

403483991040 is a gapful number since it is divisible by the number (40) 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 403483991040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790866572496).

403483991040 is an abundant number, since it is smaller than the sum of its proper divisors (1178249153952).

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

403483991040 is a wasteful number, since it uses less digits than its factorization.

403483991040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1207 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 403483991040 in words is "four hundred three billion, four hundred eighty-three million, nine hundred ninety-one thousand, forty".