1954881426 has 8 divisors (see below), whose sum is σ = 3909762864. Its totient is φ = 651627140.

The previous prime is 1954881419. The next prime is 1954881427. The reversal of 1954881426 is 6241884591.

It is a sphenic number, since it is the product of 3 distinct primes.

1954881426 is an admirable number.

It is a super-2 number, since 2×1954881426² = 7643122779439586952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1954881427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162906780 + ... + 162906791.

It is an arithmetic number, because the mean of its divisors is an integer number (488720358).

Almost surely, 2^1954881426 is an apocalyptic number.

1954881426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1954881426 is a wasteful number, since it uses less digits than its factorization.

1954881426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325813576.

The product of its digits is 552960, while the sum is 48.

The square root of 1954881426 is about 44214.0410503270. The cubic root of 1954881426 is about 1250.3745919468.

The spelling of 1954881426 in words is "one billion, nine hundred fifty-four million, eight hundred eighty-one thousand, four hundred twenty-six".