40750001690 has 16 divisors (see below), whose sum is σ = 73366518528. Its totient is φ = 16296330576.

The previous prime is 40750001683. The next prime is 40750001693. The reversal of 40750001690 is 9610005704.

It is a happy number.

It is a super-2 number, since 2×40750001690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40750001693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411902 + ... + 501161.

It is an arithmetic number, because the mean of its divisors is an integer number (4585407408).

Almost surely, 2^40750001690 is an apocalyptic number.

40750001690 is a deficient number, since it is larger than the sum of its proper divisors (32616516838).

40750001690 is a wasteful number, since it uses less digits than its factorization.

40750001690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917533.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 40750001690 in words is "forty billion, seven hundred fifty million, one thousand, six hundred ninety".