426340690 has 16 divisors (see below), whose sum is σ = 774865728. Its totient is φ = 168880176.

The previous prime is 426340669. The next prime is 426340693. The reversal of 426340690 is 96043624.

It is a super-2 number, since 2×426340690² = 363532767899352200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426340693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205932 + ... + 207991.

It is an arithmetic number, because the mean of its divisors is an integer number (48429108).

Almost surely, 2^426340690 is an apocalyptic number.

426340690 is a deficient number, since it is larger than the sum of its proper divisors (348525038).

426340690 is a wasteful number, since it uses less digits than its factorization.

426340690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414033.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 426340690 is about 20648.0190333116. The cubic root of 426340690 is about 752.6370518909.

The spelling of 426340690 in words is "four hundred twenty-six million, three hundred forty thousand, six hundred ninety".