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32440998490 = 25569572
BaseRepresentation
bin11110001101101000…
…100101101001011010
310002201212110110210121
4132031220211221122
51012414343422430
622523031103454
72225626636345
oct361550455132
9102655413717
1032440998490
111283810935a
126354511b8a
1330a0006bc4
1417da6db45c
15c9d09ca7a
hex78da25a5a

32440998490 has 12 divisors (see below), whose sum is σ = 58394822526. Its totient is φ = 12976171568.

The previous prime is 32440998481. The next prime is 32440998523. The reversal of 32440998490 is 9489904423.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11854201129 + 20586797361 = 108877^2 + 143481^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 541092 + ... + 598048.

Almost surely, 232440998490 is an apocalyptic number.

32440998490 is a deficient number, since it is larger than the sum of its proper divisors (25953824036).

32440998490 is an frugal number, since it uses more digits than its factorization.

32440998490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113921 (or 56964 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 32440998490 in words is "thirty-two billion, four hundred forty million, nine hundred ninety-eight thousand, four hundred ninety".

Divisors: 1 2 5 10 56957 113914 284785 569570 3244099849 6488199698 16220499245 32440998490