4286144901990 has 128 divisors (see below), whose sum is σ = 11933117779968. Its totient is φ = 964957403520.

The previous prime is 4286144901977. The next prime is 4286144902021. The reversal of 4286144901990 is 991094416824.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4286144901990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 239560945 + ... + 239578835.

It is an arithmetic number, because the mean of its divisors is an integer number (93227482656).

Almost surely, 2^{4286144901990} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4286144901990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5966558889984).

4286144901990 is an abundant number, since it is smaller than the sum of its proper divisors (7646972877978).

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

4286144901990 is a wasteful number, since it uses less digits than its factorization.

4286144901990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35002.

The product of its (nonzero) digits is 4478976, while the sum is 57.

The spelling of 4286144901990 in words is "four trillion, two hundred eighty-six billion, one hundred forty-four million, nine hundred one thousand, nine hundred ninety".