2620404544552 has 8 divisors (see below), whose sum is σ = 4913258521050. Its totient is φ = 1310202272272.

The previous prime is 2620404544547. The next prime is 2620404544573. The reversal of 2620404544552 is 2554454040262.

It can be written as a sum of positive squares in only one way, i.e., 1726369999396 + 894034545156 = 1313914^2 + 945534^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2620404544499 and 2620404544508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163775284027 + ... + 163775284042.

Almost surely, 2^{2620404544552} is an apocalyptic number.

It is an amenable number.

2620404544552 is a deficient number, since it is larger than the sum of its proper divisors (2292853976498).

2620404544552 is a wasteful number, since it uses less digits than its factorization.

2620404544552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327550568075 (or 327550568071 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 43.

The spelling of 2620404544552 in words is "two trillion, six hundred twenty billion, four hundred four million, five hundred forty-four thousand, five hundred fifty-two".