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40406552425 = 5217313066911
BaseRepresentation
bin100101101000011010…
…110000111101101001
310212022000001112120201
4211220122300331221
51130223034134200
630321300352201
72630212012561
oct455032607551
9125260045521
1040406552425
1116155499988
1279b80a5661
133a6c379425
141d54599da1
1510b7541c6a
hex9686b0f69

40406552425 has 24 divisors (see below), whose sum is σ = 54762780672. Its totient is φ = 29442336000.

The previous prime is 40406552419. The next prime is 40406552477. The reversal of 40406552425 is 52425560404.

It is a happy number.

40406552425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40406552425 - 217 = 40406421353 is a prime.

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, 1520281 + ... + 1546630.

It is an arithmetic number, because the mean of its divisors is an integer number (2281782528).

Almost surely, 240406552425 is an apocalyptic number.

It is an amenable number.

40406552425 is a deficient number, since it is larger than the sum of its proper divisors (14356228247).

40406552425 is a wasteful number, since it uses less digits than its factorization.

40406552425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066969 (or 3066964 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

It can be divided in two parts, 404065 and 52425, that added together give a triangular number (456490 = T955).

The spelling of 40406552425 in words is "forty billion, four hundred six million, five hundred fifty-two thousand, four hundred twenty-five".

Divisors: 1 5 17 25 31 85 155 425 527 775 2635 13175 3066911 15334555 52137487 76672775 95074241 260687435 475371205 1303437175 1616262097 2376856025 8081310485 40406552425