2026642554 has 48 divisors (see below), whose sum is σ = 4566481920. Its totient is φ = 648805920.

The previous prime is 2026642547. The next prime is 2026642561. The reversal of 2026642554 is 4552466202.

2026642554 is a `hidden beast` number, since 2 + 0 + 2 + 6 + 642 + 5 + 5 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (2026642547) and next prime (2026642561).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89539 + ... + 109865.

It is an arithmetic number, because the mean of its divisors is an integer number (95135040).

Almost surely, 2^2026642554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2026642554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2283240960).

2026642554 is an abundant number, since it is smaller than the sum of its proper divisors (2539839366).

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

2026642554 is a wasteful number, since it uses less digits than its factorization.

2026642554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20555 (or 20552 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 2026642554 is about 45018.2469005624. The cubic root of 2026642554 is about 1265.4909755546.

The spelling of 2026642554 in words is "two billion, twenty-six million, six hundred forty-two thousand, five hundred fifty-four".