4006655225450 has 24 divisors (see below), whose sum is σ = 7452435519180. Its totient is φ = 1602649875200.

The previous prime is 4006655225429. The next prime is 4006655225477. The reversal of 4006655225450 is 545225566004.

It can be written as a sum of positive squares in 6 ways, for example, as 2019522367801 + 1987132857649 = 1421099^2 + 1409657^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9331490 + ... + 9751410.

Almost surely, 2^{4006655225450} is an apocalyptic number.

4006655225450 is a deficient number, since it is larger than the sum of its proper divisors (3445780293730).

4006655225450 is a wasteful number, since it uses less digits than its factorization.

4006655225450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610762 (or 610757 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 4006655225450 in words is "four trillion, six billion, six hundred fifty-five million, two hundred twenty-five thousand, four hundred fifty".