40120340010 has 32 divisors (see below), whose sum is σ = 96426225792. Its totient is φ = 10683489600.

The previous prime is 40120339969. The next prime is 40120340021. The reversal of 40120340010 is 1004302104.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 932854 + ... + 974913.

It is an arithmetic number, because the mean of its divisors is an integer number (3013319556).

Almost surely, 2^40120340010 is an apocalyptic number.

40120340010 is an abundant number, since it is smaller than the sum of its proper divisors (56305885782).

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

40120340010 is a wasteful number, since it uses less digits than its factorization.

40120340010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908478.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 40120340010 its reverse (1004302104), we get a palindrome (41124642114).

The spelling of 40120340010 in words is "forty billion, one hundred twenty million, three hundred forty thousand, ten".