403469040 has 160 divisors (see below), whose sum is σ = 1363037760. Its totient is φ = 98131968.

The previous prime is 403468991. The next prime is 403469051. The reversal of 403469040 is 40964304.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 403468989 and 403469007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276954 + ... + 278406.

It is an arithmetic number, because the mean of its divisors is an integer number (8518986).

Almost surely, 2^403469040 is an apocalyptic number.

403469040 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 403469040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681518880).

403469040 is an abundant number, since it is smaller than the sum of its proper divisors (959568720).

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

403469040 is a wasteful number, since it uses less digits than its factorization.

403469040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571 (or 1565 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 403469040 is about 20086.5387760062. The cubic root of 403469040 is about 738.9301804258.

The spelling of 403469040 in words is "four hundred three million, four hundred sixty-nine thousand, forty".