400802094 has 240 divisors, whose sum is σ = 1186504704. Its totient is φ = 98794080.

The previous prime is 400802063. The next prime is 400802099. The reversal of 400802094 is 490208004.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400802099) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3155859 + ... + 3155985.

Almost surely, 2^400802094 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400802094, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (593252352).

400802094 is an abundant number, since it is smaller than the sum of its proper divisors (785702610).

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

400802094 is a wasteful number, since it uses less digits than its factorization.

400802094 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 400802094 is about 20020.0423076476. The cubic root of 400802094 is about 737.2984608351.

The spelling of 400802094 in words is "four hundred million, eight hundred two thousand, ninety-four".