400067010 has 96 divisors (see below), whose sum is σ = 1205193600. Its totient is φ = 90180864.

The previous prime is 400066993. The next prime is 400067011. The reversal of 400067010 is 10760004.

It is a super-2 number, since 2×400067010² = 320107224980680200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (400067011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41641 + ... + 50339.

It is an arithmetic number, because the mean of its divisors is an integer number (12554100).

Almost surely, 2^400067010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400067010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602596800).

400067010 is an abundant number, since it is smaller than the sum of its proper divisors (805126590).

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

400067010 is a wasteful number, since it uses less digits than its factorization.

400067010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8792 (or 8789 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 400067010 is about 20001.6751798443. The cubic root of 400067010 is about 736.8474419225.

The spelling of 400067010 in words is "four hundred million, sixty-seven thousand, ten".