290042401903 has 48 divisors (see below), whose sum is σ = 322614265600. Its totient is φ = 260407664640.

The previous prime is 290042401861. The next prime is 290042401931. The reversal of 290042401903 is 309104240092.

It is not a de Polignac number, because 290042401903 - 2⁹ = 290042401391 is a prime.

It is a super-2 number, since 2×290042401903² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290042401933) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223624951 + ... + 223626247.

Almost surely, 2^290042401903 is an apocalyptic number.

290042401903 is a deficient number, since it is larger than the sum of its proper divisors (32571863697).

290042401903 is a wasteful number, since it uses less digits than its factorization.

290042401903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 290042401903 its reverse (309104240092), we get a palindrome (599146641995).

The spelling of 290042401903 in words is "two hundred ninety billion, forty-two million, four hundred one thousand, nine hundred three".