290212276368 has 80 divisors (see below), whose sum is σ = 858339634176. Its totient is φ = 82770460800.

The previous prime is 290212276351. The next prime is 290212276399. The reversal of 290212276368 is 863672212092.

It is a super-2 number, since 2×290212276368² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577908 + ... + 956243.

Almost surely, 2^290212276368 is an apocalyptic number.

290212276368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

290212276368 is an abundant number, since it is smaller than the sum of its proper divisors (568127357808).

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

290212276368 is a wasteful number, since it uses less digits than its factorization.

290212276368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534732 (or 1534726 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

It can be divided in two parts, 290212 and 276368, that added together give a triangular number (566580 = T₁₀₆₄).

The spelling of 290212276368 in words is "two hundred ninety billion, two hundred twelve million, two hundred seventy-six thousand, three hundred sixty-eight".