403126880542 has 4 divisors (see below), whose sum is σ = 604690320816. Its totient is φ = 201563440270.

The previous prime is 403126880449. The next prime is 403126880561. The reversal of 403126880542 is 245088621304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×403126880542² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100781720134 + ... + 100781720137.

It is an arithmetic number, because the mean of its divisors is an integer number (151172580204).

Almost surely, 2^403126880542 is an apocalyptic number.

403126880542 is a deficient number, since it is larger than the sum of its proper divisors (201563440274).

403126880542 is a wasteful number, since it uses less digits than its factorization.

403126880542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201563440273.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 403126880542 in words is "four hundred three billion, one hundred twenty-six million, eight hundred eighty thousand, five hundred forty-two".