40012011021004 has 24 divisors (see below), whose sum is σ = 76568873371200. Its totient is φ = 18143871337680.

The previous prime is 40012011020983. The next prime is 40012011021019.

It is a happy number.

40012011021004 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×40012011021004² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085141334 + ... + 1085178205.

It is an arithmetic number, because the mean of its divisors is an integer number (3190369723800).

Almost surely, 2^{40012011021004} is an apocalyptic number.

40012011021004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40012011021004 is a deficient number, since it is larger than the sum of its proper divisors (36556862350196).

40012011021004 is a wasteful number, since it uses less digits than its factorization.

40012011021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170319973 (or 2170319971 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 4001201 and 1021004, that added together give a palindrome (5022205).

The spelling of 40012011021004 in words is "forty trillion, twelve billion, eleven million, twenty-one thousand, four".