403022891040 has 576 divisors, whose sum is σ = 1637519442048. Its totient is φ = 82368921600.

The previous prime is 403022891003. The next prime is 403022891111. The reversal of 403022891040 is 40198220304.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 403022890992 and 403022891010.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15769152 + ... + 15794688.

It is an arithmetic number, because the mean of its divisors is an integer number (2842915698).

Almost surely, 2^403022891040 is an apocalyptic number.

403022891040 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 403022891040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (818759721024).

403022891040 is an abundant number, since it is smaller than the sum of its proper divisors (1234496551008).

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

403022891040 is a wasteful number, since it uses less digits than its factorization.

403022891040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25641 (or 25626 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 403022891040 in words is "four hundred three billion, twenty-two million, eight hundred ninety-one thousand, forty".