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40235001515420 = 2252011750075771
BaseRepresentation
bin10010010010111111100001…
…11110010000110110011100
312021110102120102201220111212
421021133300332100312130
520233202240341443140
6221323412102203552
711321611563005135
oct1111376076206634
9167412512656455
1040235001515420
1111902628481918
1246199907235b8
13195b1b521b2ba
149d1554d7cc8c
1549b910e20765
hex2497f0f90d9c

40235001515420 has 12 divisors (see below), whose sum is σ = 84493503182424. Its totient is φ = 16094000606160.

The previous prime is 40235001515413. The next prime is 40235001515453. The reversal of 40235001515420 is 2451510053204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005875037866 + ... + 1005875037905.

It is an arithmetic number, because the mean of its divisors is an integer number (7041125265202).

Almost surely, 240235001515420 is an apocalyptic number.

It is an amenable number.

40235001515420 is an abundant number, since it is smaller than the sum of its proper divisors (44258501667004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40235001515420 is a wasteful number, since it uses less digits than its factorization.

40235001515420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011750075780 (or 2011750075778 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 40235001515420 its reverse (2451510053204), we get a palindrome (42686511568624).

The spelling of 40235001515420 in words is "forty trillion, two hundred thirty-five billion, one million, five hundred fifteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2011750075771 4023500151542 8047000303084 10058750378855 20117500757710 40235001515420