40000000010 has 32 divisors (see below), whose sum is σ = 74111016960. Its totient is φ = 15536247552.

The previous prime is 40000000003. The next prime is 40000000031. The reversal of 40000000010 is 1000000004.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39999999931 and 40000000003.

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, 275375 + ... + 394754.

It is an arithmetic number, because the mean of its divisors is an integer number (2315969280).

Almost surely, 2^40000000010 is an apocalyptic number.

40000000010 is a deficient number, since it is larger than the sum of its proper divisors (34111016950).

40000000010 is a wasteful number, since it uses less digits than its factorization.

40000000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670310.

The product of its (nonzero) digits is 4, while the sum is 5.

Adding to 40000000010 its reverse (1000000004), we get a palindrome (41000000014).

The spelling of 40000000010 in words is "forty billion, ten", and thus it is an aban number and an uban number.