9420377040 has 60 divisors (see below), whose sum is σ = 31636768644. Its totient is φ = 2512100352.

The previous prime is 9420376967. The next prime is 9420377047. The reversal of 9420377040 is 407730249.

It can be written as a sum of positive squares in 2 ways, for example, as 1017354816 + 8403022224 = 31896^2 + 91668^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9420376986 and 9420377004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9420377047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6541209 + ... + 6542648.

Almost surely, 2^9420377040 is an apocalyptic number.

9420377040 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9420377040 is an abundant number, since it is smaller than the sum of its proper divisors (22216391604).

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

9420377040 is a wasteful number, since it uses less digits than its factorization.

9420377040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13083876 (or 13083867 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 9420377040 is about 97058.6268190520. The cubic root of 9420377040 is about 2111.9781871886.

The spelling of 9420377040 in words is "nine billion, four hundred twenty million, three hundred seventy-seven thousand, forty".