400036007 has 8 divisors (see below), whose sum is σ = 457314336. Its totient is φ = 342790272.

The previous prime is 400035983. The next prime is 400036037. The reversal of 400036007 is 700630004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400036007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400036007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400036037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30203 + ... + 41379.

It is an arithmetic number, because the mean of its divisors is an integer number (57164292).

Almost surely, 2^400036007 is an apocalyptic number.

400036007 is a deficient number, since it is larger than the sum of its proper divisors (57278329).

400036007 is a wasteful number, since it uses less digits than its factorization.

400036007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16297.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 400036007 is about 20000.9001547430. The cubic root of 400036007 is about 736.8284075518.

The spelling of 400036007 in words is "four hundred million, thirty-six thousand, seven".