40001070 has 32 divisors (see below), whose sum is σ = 98599968. Its totient is φ = 10378368.

The previous prime is 40001069. The next prime is 40001083. The reversal of 40001070 is 7010004.

40001070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40001070² = 3200171202289800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16909 + ... + 19128.

It is an arithmetic number, because the mean of its divisors is an integer number (3081249).

Almost surely, 2^40001070 is an apocalyptic number.

40001070 is an abundant number, since it is smaller than the sum of its proper divisors (58598898).

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

40001070 is a wasteful number, since it uses less digits than its factorization.

40001070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36084.

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 40001070 is about 6324.6399106985. The cubic root of 40001070 is about 341.9982387653.

Adding to 40001070 its reverse (7010004), we get a palindrome (47011074).

The spelling of 40001070 in words is "forty million, one thousand, seventy".