40003333444 has 6 divisors (see below), whose sum is σ = 70005833534. Its totient is φ = 20001666720.

The previous prime is 40003333429. The next prime is 40003333451. The reversal of 40003333444 is 44433330004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 34536505600 + 5466827844 = 185840^2 + 73938^2 .

It is a super-2 number, since 2×40003333444² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000416677 + ... + 5000416684.

Almost surely, 2^40003333444 is an apocalyptic number.

It is an amenable number.

40003333444 is a deficient number, since it is larger than the sum of its proper divisors (30002500090).

40003333444 is a wasteful number, since it uses less digits than its factorization.

40003333444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10000833365 (or 10000833363 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 40003333444 its reverse (44433330004), we get a palindrome (84436663448).

The spelling of 40003333444 in words is "forty billion, three million, three hundred thirty-three thousand, four hundred forty-four".