690426142000 has 1280 divisors, whose sum is σ = 2222857728000. Its totient is φ = 202051584000.

The previous prime is 690426141931. The next prime is 690426142039. The reversal of 690426142000 is 241624096.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 11702137971 + ... + 11702138029.

It is an arithmetic number, because the mean of its divisors is an integer number (1736607600).

Almost surely, 2^690426142000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 690426142000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111428864000).

690426142000 is an abundant number, since it is smaller than the sum of its proper divisors (1532431586000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

690426142000 is a wasteful number, since it uses less digits than its factorization.

690426142000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

Adding to 690426142000 its reverse (241624096), we get a palindrome (690667766096).

The spelling of 690426142000 in words is "six hundred ninety billion, four hundred twenty-six million, one hundred forty-two thousand".