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40245550525 = 5217598391913
BaseRepresentation
bin100101011110110100…
…100101110110111101
310211212210002210111101
4211132310211312331
51124410330104100
630253305453101
72623215351355
oct453664456675
9124783083441
1040245550525
1116082622864
1279721a1191
133a44bc792b
141d3b049b65
1510a833c86a
hex95ed25dbd

40245550525 has 48 divisors (see below), whose sum is σ = 53827804800. Its totient is φ = 29737871360.

The previous prime is 40245550493. The next prime is 40245550529. The reversal of 40245550525 is 52505554204.

It is not a de Polignac number, because 40245550525 - 25 = 40245550493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40245550529) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21036969 + ... + 21038881.

It is an arithmetic number, because the mean of its divisors is an integer number (1121412600).

Almost surely, 240245550525 is an apocalyptic number.

It is an amenable number.

40245550525 is a deficient number, since it is larger than the sum of its proper divisors (13582254275).

40245550525 is a wasteful number, since it uses less digits than its factorization.

40245550525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838 (or 2833 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 37.

The spelling of 40245550525 in words is "forty billion, two hundred forty-five million, five hundred fifty thousand, five hundred twenty-five".

Divisors: 1 5 17 25 59 85 295 425 839 1003 1475 1913 4195 5015 9565 14263 20975 25075 32521 47825 49501 71315 112867 162605 247505 356575 564335 813025 841517 1237525 1605007 1918739 2821675 4207585 8025035 9593695 21037925 27285119 40125175 47968475 94695413 136425595 473477065 682127975 1609822021 2367385325 8049110105 40245550525